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United States Patent | 6,258,159 |
Pyle | July 10, 2001 |
A method is disclosed for improving the properties of polymer fibers incorporated into upcured concrete. A wetting agent is incorporated into the molten polymer prior to extrusion into fibers in order to render the fibers durably wettable.
Inventors: | Pyle; Russell W. (Deerfield, IL) |
Assignee: | Polymer Group, Inc. (North Charleston, SC) |
Appl. No.: | 385835 |
Filed: | August 30, 1999 |
Current U.S. Class: | 106/644; 106/724; 106/803; 106/823 |
Intern'l Class: | C04B 016/10 |
Field of Search: | 106/644,724,802,803,823 |
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